<1R*-<1β,3β(1S*,2E),4α,5β,6β,8α>>-3-(3-bromo-1-methylbut-2-enyl)-6-((tert-butyldimethylsilyl)oxy)-1,4,8-trimethyl-2,9-dioxabicyclo<3.3.1>nonane

methyl <2E,4E,6R*(1S*-<1α,3α,4β,5α,6α,8β>)>-6-(6-((tert-butyldimethylsilyl)oxy)-1,4,8-trimethyl-2,9-dioxabicyclo<3.3.1>nonan-3-yl)-4-methylhepta-2,4-dienoate